Titles
- Letter from Kenneth Murray to Paul Berg1
- Letter from Marianne Grunberg-Manago to Paul Berg1
- Letter from Martin R. Pollock to Sol Spiegelman1
- Letter from Murray J. Fraser to Paul Berg1
- Letter from Paul Berg to Francis Crick1
- Letter from Paul Berg to Fred H. Bergmann1
- Letter from Paul Berg to Hans G. Boman1
- Letter from Paul Berg to Julian B. Fleischman1
- Letter from Paul Berg to Leon A. Heppel1
- Letter from Paul Berg to Marianne Grunberg-Manago1
- Letter from Paul Berg to Robert Langridge1
- Letter from Paul Berg to Ulf Lagerkvist1
- Letter from Paul Neiman, Providence Hospital to Harold Varmus1
- Letter from Robert L. Sinsheimer to Paul Berg1
- Letter from Robert Langridge to Paul Berg1
- Letter from Rosalind Franklin to Donald L. D. Caspar1
- Letter from Rosalind Franklin to H. Fraenkel-Conrat1
- Letter from Rosalind Franklin to John Desmond Bernal1
- Letter from Salvador E. Luria to Sol Spiegelman1
- Letter from Severo Ochoa to Arthur Kornberg1